Question

If 5 worksites take 31.5 hours to prepare, how long will it take to prepare 13 worksites

(Answer to be in hours pls)​

Answer 1

31.5%5=6.3
6.3*13= 81.0

Answer 2

81.9 hours.

Explanation:

5 work sites take 31.5 hours to prepare, so

1 work sites take 31.5 / 5 hours to prepare, and

13 work sites take . (31.5 * 13) / 5 hours to prepare

= 409.5 / 5

= 81.9 hours.